biro
/ˈbaɪ.ɹəʊ/noun
biro is spelled B-I-R-O: 4 letters and 2 syllables. It appears about once in every 5 million words in written English, the 65,114th most frequent word form (wordfreq, 2021 data). As a noun, biro means “A Biro brand ballpoint pen” (English Wiktionary, September 2026). The plural of biro is biros.
How many letters and syllables are in biro?
| Letters | 4: B-I-R-O |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 5 million words; the 65,114th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is biro?
Biro appears about once in every 5 million words in written English, the 65,114th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce biro?
- UK /ˈbaɪ.ɹəʊ/
Biro has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-biro.wav, LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-biro.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with biro?
One word on PlainSpell end in the same sounds as biro from its last stressed vowel (/aɪɹəʊ/, British pronunciation):
Spelled with the same letters in another order: brio.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of biro
- biros plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does biro mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A Biro brand ballpoint pen.
- 2
CommonwealthIrelandUKAny ballpoint pen.
- 3
Ink from a ballpoint pen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does biro come from?
Genericized trademark of BIRO, named after László Bíró, the inventor of the first commercially succesful ballpoint pen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).